<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>绑定样式</title>
    <script type="text/javascript" src="../js/vue.js"></script>
    <style>
        .basic {
            width: 400x;
            height: 100px;
            border: 1px solid black;
        }

        .happy {
            border: 4px solid red;
            background-color: rgba(255, 255, 0, 0.64);
            background: linear-gradient(30deg, yellow, pink, oranage, yellow);
        }

        .sad {}

        .normal {}

        .mdx1 {}

        .mdx2 {}

        .mdx3 {}
    </style>
</head>

<body>
    <div id="root">
        <div>test</div>
    </div>
</body>

<script type="text/javascript">
    Vue.config.productionTip = false;

</script>

</html>